1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "main/mtypes.h"
#include "main/enums.h"
#include "main/image.h"
#include "main/teximage.h"
#include "main/texstate.h"
#include "main/fbobject.h"
#include "drivers/common/meta.h"
#include "intel_screen.h"
#include "intel_context.h"
#include "intel_mipmap_tree.h"
#include "intel_regions.h"
#include "intel_fbo.h"
#include "intel_tex.h"
#include "intel_blit.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
bool
intel_copy_texsubimage(struct intel_context *intel,
struct intel_texture_image *intelImage,
GLint dstx, GLint dsty,
struct intel_renderbuffer *irb,
GLint x, GLint y, GLsizei width, GLsizei height)
{
struct gl_context *ctx = &intel->ctx;
struct intel_region *region;
const GLenum internalFormat = intelImage->base.Base.InternalFormat;
bool copy_supported = false;
bool copy_supported_with_alpha_override = false;
intel_prepare_render(intel);
if (!intelImage->mt || !irb || !irb->mt) {
if (unlikely(INTEL_DEBUG & DEBUG_PERF))
fprintf(stderr, "%s fail %p %p (0x%08x)\n",
__FUNCTION__, intelImage->mt, irb, internalFormat);
return false;
} else {
region = irb->mt->region;
assert(region);
}
if (intelImage->base.Base.TexObject->Target == GL_TEXTURE_1D_ARRAY ||
intelImage->base.Base.TexObject->Target == GL_TEXTURE_2D_ARRAY) {
perf_debug("no support for array textures\n");
}
copy_supported = intelImage->base.Base.TexFormat == intel_rb_format(irb);
/* Converting ARGB8888 to XRGB8888 is trivial: ignore the alpha bits */
if (intel_rb_format(irb) == MESA_FORMAT_ARGB8888 &&
intelImage->base.Base.TexFormat == MESA_FORMAT_XRGB8888) {
copy_supported = true;
}
/* Converting XRGB8888 to ARGB8888 requires setting the alpha bits to 1.0 */
if (intel_rb_format(irb) == MESA_FORMAT_XRGB8888 &&
intelImage->base.Base.TexFormat == MESA_FORMAT_ARGB8888) {
copy_supported_with_alpha_override = true;
}
if (!copy_supported && !copy_supported_with_alpha_override) {
if (unlikely(INTEL_DEBUG & DEBUG_PERF))
fprintf(stderr, "%s mismatched formats %s, %s\n",
__FUNCTION__,
_mesa_get_format_name(intelImage->base.Base.TexFormat),
_mesa_get_format_name(intel_rb_format(irb)));
return false;
}
{
GLuint image_x, image_y;
GLshort src_pitch;
/* get dest x/y in destination texture */
intel_miptree_get_image_offset(intelImage->mt,
intelImage->base.Base.Level,
intelImage->base.Base.Face,
&image_x, &image_y);
/* The blitter can't handle Y-tiled buffers. */
if (intelImage->mt->region->tiling == I915_TILING_Y) {
return false;
}
if (_mesa_is_winsys_fbo(ctx->ReadBuffer)) {
/* Flip vertical orientation for system framebuffers */
y = ctx->ReadBuffer->Height - (y + height);
src_pitch = -region->pitch;
} else {
/* reading from a FBO, y is already oriented the way we like */
src_pitch = region->pitch;
}
/* blit from src buffer to texture */
if (!intelEmitCopyBlit(intel,
intelImage->mt->cpp,
src_pitch * region->cpp,
region->bo,
0,
region->tiling,
intelImage->mt->region->pitch * intelImage->mt->cpp,
intelImage->mt->region->bo,
0,
intelImage->mt->region->tiling,
irb->draw_x + x, irb->draw_y + y,
image_x + dstx, image_y + dsty,
width, height,
GL_COPY)) {
return false;
}
}
if (copy_supported_with_alpha_override)
intel_set_teximage_alpha_to_one(ctx, intelImage);
return true;
}
static void
intelCopyTexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLint xoffset, GLint yoffset, GLint zoffset,
struct gl_renderbuffer *rb,
GLint x, GLint y,
GLsizei width, GLsizei height)
{
if (dims == 3 || !intel_copy_texsubimage(intel_context(ctx),
intel_texture_image(texImage),
xoffset, yoffset,
intel_renderbuffer(rb), x, y, width, height)) {
fallback_debug("%s - fallback to swrast\n", __FUNCTION__);
_mesa_meta_CopyTexSubImage(ctx, dims, texImage,
xoffset, yoffset, zoffset,
rb, x, y, width, height);
}
}
void
intelInitTextureCopyImageFuncs(struct dd_function_table *functions)
{
functions->CopyTexSubImage = intelCopyTexSubImage;
}
|
